Gerardo M. E. Perillo
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View article: Coastal cliff erosion: a bibliometric analysis and literature review
Coastal cliff erosion: a bibliometric analysis and literature review Open
Cliffed (and rocky) coasts are geomorphic features occurring in about 80% of the coastline of the world and are strongly influenced by a broad range of both natural and anthropogenic processes that may cause serious erosion problems. Since…
View article: Nonlinearities detection in river-tide interaction in Río Negro hydrographic lower basin (Argentina) using higher-order spectra
Nonlinearities detection in river-tide interaction in Río Negro hydrographic lower basin (Argentina) using higher-order spectra Open
The nonlinear interactions between river discharge, astronomical tidal wave, and local geomorphology during storm passage or water release from upstream dams can produce severe floods in the Río Negro lower basin (Argentina). For this reas…
View article: The free energy of an ecosystem: towards a measure of its inner value
The free energy of an ecosystem: towards a measure of its inner value Open
Based on a free energy approach, we propose the estimation of an ecosystem’s Inner Value, which is both non-instrumental and objective, reflecting the ecosystem’s value for itself as a natural entity, abstracted from any human valuation. T…
View article: Monitoring multiple parameters in complex water scenarios using a low-cost open-source data acquisition platform
Monitoring multiple parameters in complex water scenarios using a low-cost open-source data acquisition platform Open
Water monitoring faces challenges that are driven by the infrastructure, protection, financial resources, science and innovation policies, among others. A modular, low-cost, fully open-source and small-sized Unmanned Surface Vessel (USV) c…
View article: Human impact changes hydrological connectivity in a Patagonian fluvial basin
Human impact changes hydrological connectivity in a Patagonian fluvial basin Open
Study region: The Cronómetro Lake basin situated east of the Andes in Argentina's Patagonian Andean pre-range environment. Study focus: We analyzed the interannual fluctuation in the surface area of Cronómetro Lake (January 2000 to January…
View article: The free energy of an ecosystem: towards a measure of its inner value
The free energy of an ecosystem: towards a measure of its inner value Open
Based on a free energy approach, we propose the estimation of ecosystem Inner Value, which is both non-instrumental and objective, reflecting the ecosystem’s value for itself as a natural entity, abstracted from any human valuation activit…
View article: Marine deposits of the Chuy Formation (Late Pleistocene) and isostatic readjustments in the area of Laguna de Rocha (Uruguay)
Marine deposits of the Chuy Formation (Late Pleistocene) and isostatic readjustments in the area of Laguna de Rocha (Uruguay) Open
The Chuy Formation is characterized by up to 135 m of an alternation of green pelites and fine to coarse sandstones with sparse invertebrate fossils. The marine deposits are interbedded with continental, loessic deposits of the Libertad Fo…
View article: PROCESAMIENTO DE DATOS SATELITALES ÓPTICOS Y DE RADAR PARA LA DETECCIÓN DE CAMBIOS MORFOMÉTRICOS: EL CASO DE LA DESEMBOCADURA DEL RÍO SAUCE GRANDE (ARGENTINA)
PROCESAMIENTO DE DATOS SATELITALES ÓPTICOS Y DE RADAR PARA LA DETECCIÓN DE CAMBIOS MORFOMÉTRICOS: EL CASO DE LA DESEMBOCADURA DEL RÍO SAUCE GRANDE (ARGENTINA) Open
This study aims to assess morphometric changes in the mouth of the Sauce Grande river (Argentina) through the processing of optic and radar images. It was made a visual analysis with the high-resolution images during 2011-2018. These image…
View article: Water quality analysis based on phytoplankton and metal indices: A case study in the Sauce Grande River Basin (Argentina)
Water quality analysis based on phytoplankton and metal indices: A case study in the Sauce Grande River Basin (Argentina) Open
This study presents the first integrated water quality assessment of the Sauce Grande River Basin. This South American freshwater environment contains two water bodies that interrupt its course before the river discharges into the ocean: a…
View article: Surface water extent dynamics from three periods of continuous Landsat time series; subregional differences across Argentine plains
Surface water extent dynamics from three periods of continuous Landsat time series; subregional differences across Argentine plains Open
The Pampean region in Argentina is an extensive plain characterized by abundant shallow lakes that fulfill many environmental, ecological, and social functions. This study aims to detect the multiannual lake area changes in this region dur…
View article: Warming signals emerging from the analysis of daily changes in extreme temperature events over Pampas (Argentina)
Warming signals emerging from the analysis of daily changes in extreme temperature events over Pampas (Argentina) Open
Global warming and the intensification of extreme temperature events have been significant issues around the world in recent decades. The Pampas region in Argentina is one of the essential areas worldwide because of its agricultural produc…
View article: Do ecosystem insecurity and social vulnerability lead to failure of water security?
Do ecosystem insecurity and social vulnerability lead to failure of water security? Open
Achieving water security for humans and ecosystems is a pervasive challenge globally. Extensive areas of the Americas are at significant risk of water insecurity, resulting from global-change processes coupled with regional and local impac…
View article: Sediment bank contribution to form a vortex and a deep scour hole on tidal channel meander
Sediment bank contribution to form a vortex and a deep scour hole on tidal channel meander Open
This dataset aims to examine the potential mechanism that generated a deep scour hole in the thalweg of a narrow tidal meander located in the Bahia Blanca estuary (Argentina). Based on bathymetric, currents, and sediment data collected thr…
View article: Engaging stakeholders across a socio-environmentally diverse network of water research sites in North and South America
Engaging stakeholders across a socio-environmentally diverse network of water research sites in North and South America Open
Maintaining and restoring freshwater ecosystem services in the face of local and global change requires adaptive research that effectively engages stakeholders. However, there is a lack of understanding and consensus in the research commun…
View article: VALIDACIÓN DE PRODUCTOS SATELITALES A PARTIR DE MEDICIONES IN SITU PARA EL MONITOREO DE COBERTURAS DEL SUELO EN EL SUR DE LA REGIÓN PAMPEANA (ARGENTINA)
VALIDACIÓN DE PRODUCTOS SATELITALES A PARTIR DE MEDICIONES IN SITU PARA EL MONITOREO DE COBERTURAS DEL SUELO EN EL SUR DE LA REGIÓN PAMPEANA (ARGENTINA) Open
The study of regional-scale land covers is an expensive activity that requires specific equipment. This work aimed to analyze the precision and the accuracy between satellite products and a land cover map obtained using in situ measurement…
View article: Spatio-temporal variability monitoring of the floods in the center-west of the Buenos Aires Province (Argentina) using remote sensing techniques
Spatio-temporal variability monitoring of the floods in the center-west of the Buenos Aires Province (Argentina) using remote sensing techniques Open
Floods are recurring events in Buenos Aires Province, mainly caused by high-intensity precipitation, and in some cases, they persist for long periods. The objective of this study is to analyze how the topography of the central-western port…
View article: Anthropogenic, Direct Pressures on Coastal Wetlands
Anthropogenic, Direct Pressures on Coastal Wetlands Open
Coastal wetlands, such as saltmarshes and mangroves that fringe transitional waters, deliver important ecosystem services that support human development. Coastal wetlands are complex social-ecological systems that occur at all latitudes, f…
View article: Mapping Topobathymetry in a Shallow Tidal Environment Using Low-Cost Technology
Mapping Topobathymetry in a Shallow Tidal Environment Using Low-Cost Technology Open
Detailed knowledge of nearshore topography and bathymetry is required for a wide variety of purposes, including ecosystem protection, coastal management, and flood and erosion monitoring and research, among others. Both topography and bath…